\begin{tabular}{ L{8.5cm} C{1.7cm} C{1.7cm} C{1.7cm} C{1.7cm} } \hline \hline
& Treated                               &  Cash                                 & Labour                                & Waiver                                \\ \hline
Arsenic contamination (WHO threshold) (HH test) & .0525** & .0699** & .0441 & .0415 \\
& (0.026) & (0.033) & (0.033) & (0.032) \\
Arsenic contamination (Bangladeshi threshold) (HH test) & .0421** & .0501* & .0459* & .0288 \\
& (0.021) & (0.026) & (0.026) & (0.029) \\
Fecal contamination (HH test) & -.0253* & -.0265 & -.0296* & -.0191 \\
& (0.013) & (0.019) & (0.016) & (0.015) \\
WS Arsenic contamination (WHO threshold) & .039 & .0505 & .0305 & .035 \\
& (0.026) & (0.031) & (0.035) & (0.032) \\
WS Arsenic contamination (Bangladeshi threshold) & .031 & .0314 & .039 & .0219 \\
& (0.023) & (0.030) & (0.031) & (0.029) \\
WS Fecal contamination & .0122 & .0141 & .0095 & .013 \\
& (0.015) & (0.018) & (0.019) & (0.021) \\
The water is treated to make it safe for drinking & .00445 & .00847 & -.000984 & .0056 \\
& (0.013) & (0.018) & (0.017) & (0.016) \\
Household observed to store drinking water & .00793 & -.0175 & .0126 & .0324 \\
& (0.023) & (0.029) & (0.026) & (0.028) \\
Time needed to collect water (mins) & -.00865 & .0621 & -.025 & -.0782 \\
& (0.095) & (0.109) & (0.099) & (0.108) \\
Water collected per day (litres) & -1.96 & -2.89 & -1.56 & -1.31 \\
& (2.390) & (2.828) & (2.821) & (2.927) \\
WTP for a new WS in a socially optimal location & -15.9** & -20.1** & -9.54 & -17.9** \\
& (7.313) & (8.638) & (9.273) & (7.842) \\
\hline
Pvalue of F-test for joint significance     & 0.912 & 0.727        & 0.999& 0.861 \\
\hline \hline
\end{tabular}
